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How to perform Callbacks in Objective-C
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Normally, callbacks in objective C are done with delegates. Here's an example of a custom delegate implementation;
Header File:
@interface MyClass : NSObject {
id delegate;
}
- (void)setDelegate:(id)delegate;
- (void)doSomething;
@end
@interface NSObject(MyDelegateMethods)
- (void)myCla...
Appending a vector to a vector [duplicate]
... theory the std:: implementor can make it work. They can use non-standard extensions internally.
– MSalters
Mar 31 '10 at 10:38
7
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How to redirect cin and cout to files?
How can I redirect cin to in.txt and cout to out.txt ?
5 Answers
5
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Is it possible to set a number to NaN or infinity?
...ll you need is NaN or Inf, one could from numpy import nan, inf which has existed since this question was raised.
– andrewgu
Feb 27 '19 at 0:01
add a comment
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动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...上的应用火焰图方法论知识就是力量开源与调试符号Linux 内核的支持硬件追踪死亡进程的遗骸分析传统的调试技
什么是动态追踪
动态追踪的优点
DTrace 与 SystemTap
SystemTap 在生产上的应用
火焰图
方法论
知识就是力量
开...
Detect application heap size in Android
...a different method for determining each of the above.
For item 1 above: maxMemory()
which can be invoked (e.g., in your main activity's onCreate() method) as follows:
Runtime rt = Runtime.getRuntime();
long maxMemory = rt.maxMemory();
Log.v("onCreate", "maxMemory:" + Long.toString(maxMemory));
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Does “git fetch --tags” include “git fetch”?
...user wants to fetch only tags, then it is still possible to specifying an explicit refspec:
git fetch <remote> 'refs/tags/*:refs/tags/*'
Please note that the documentation prior to 1.8.0.3 was ambiguous about this aspect of "fetch --tags" behavior.
Commit f0cb2f1 (2012-12-14) fetch --...
Is floating-point math consistent in C#? Can it be?
...ic .net code is not possible.
The workarounds I considered:
Implement FixedPoint32 in C#. While this is not too hard(I have a half finished implementation) the very small range of values makes it annoying to use. You have to be careful at all times so you neither overflow, nor lose too much preci...
Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
There is no day on SO that passes without a question about parsing (X)HTML or XML with regular expressions being asked.
9 ...
Convert columns to string in Pandas
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@Sussch I suspect that's because json doesn't have an explicit datetime format, so you're kinda forced to use epoch. Which is to say, I think that's the standard.
– Andy Hayden
Jul 10 '19 at 6:05
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